svn commit: r295466 - head/sys/arm64/arm64

Andrew Turner andrew at FreeBSD.org
Wed Feb 10 10:28:35 UTC 2016


Author: andrew
Date: Wed Feb 10 10:28:33 2016
New Revision: 295466
URL: https://svnweb.freebsd.org/changeset/base/295466

Log:
  Revert an arm64 change that sneaked in with r295464.

Modified:
  head/sys/arm64/arm64/swtch.S

Modified: head/sys/arm64/arm64/swtch.S
==============================================================================
--- head/sys/arm64/arm64/swtch.S	Wed Feb 10 09:40:45 2016	(r295465)
+++ head/sys/arm64/arm64/swtch.S	Wed Feb 10 10:28:33 2016	(r295466)
@@ -129,6 +129,12 @@ END(cpu_throw)
  * x3 to x7, x16 and x17 are caller saved
  */
 ENTRY(cpu_switch)
+	/* Store the new curthread */
+	str	x1, [x18, #PC_CURTHREAD]
+	/* And the new pcb */
+	ldr	x4, [x1, #TD_PCB]
+	str	x4, [x18, #PC_CURPCB]
+
 	/*
 	 * Save the old context.
 	 */
@@ -168,15 +174,10 @@ ENTRY(cpu_switch)
 	mov	x0, x19
 #endif
 
-	/* Store the new curthread */
-	str	x1, [x18, #PC_CURTHREAD]
-
 	/*
-	 * Restore the saved context and save it as the curpcb.
+	 * Restore the saved context.
 	 */
 	ldr	x4, [x1, #TD_PCB]
-	str	x4, [x18, #PC_CURPCB]
-
 
 	/*
 	 * TODO: We may need to flush the cache here if switching


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